MSC8103M1100 Motorola / Freescale Semiconductor, MSC8103M1100 Datasheet - Page 75

• Manufacturer Part Number: MSC8103M1100
• Description: Network Processor, Networking Digital Signal Processor
• Manufacturer: Motorola / Freescale Semiconductor

2.7.6 JTAG Signals
No.
500
501
502
503
508
509
510
511
512
513
(Input)
(Output)
(Output)
(Output)
(Input)
(Input)
TCK
TMS
TDO
TDO
TDO
TCK
TDI
TCK frequency of operation
TCK cycle time
TCK clock pulse width measured at 1.6 V
TCK rise and fall times
TMS, TDI data set-up time
TMS, TDI data hold time
TCK low to TDO data valid
TCK low to TDO high impedance
TRST assert time
TRST set-up time to TCK low
V
IL
503
Figure 2-21. Test Access Port Timing Diagram
Figure 2-20. Test Clock Input Timing Diagram
V
IH
Characteristics
511
510
510
Table 2-21. JTAG Timing
V
IL
V
502
M
Output Data Valid
Output Data Valid
501
508
Input Data Valid
503
100.0
All frequencies
Min
25.0
12.5
40.0
V
0.0
0.0
6.0
3.0
0.0
0.0
502
M
V
IH
509
Max
40.0
15.0
3.0
5.0
—
—
—
—
—
—
AC Timings
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
2-25